105900900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 353310720

約数和(自身を除く): 247409820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 211, 239, 300, 350, 420, 422, 478, 525, 633, 700, 717, 844, 956, 1050, 1055, 1195, 1266, 1434, 1477, 1673, 2100, 2110, 2390, 2532, 2868, 2954, 3165, 3346, 3585, 4220, 4431, 4780, 5019, 5275, 5908, 5975, 6330, 6692, 7170, 7385, 8365, 8862, 10038, 10550, 11950, 12660, 14340, 14770, 15825, 16730, 17724, 17925, 20076, 21100, 22155, 23900, 25095, 29540, 31650, 33460, 35850, 36925, 41825, 44310, 50190, 50429, 63300, 71700, 73850, 83650, 88620, 100380, 100858, 110775, 125475, 147700, 151287, 167300, 201716, 221550, 250950, 252145, 302574, 353003, 443100, 501900, 504290, 605148, 706006, 756435, 1008580, 1059009, 1260725, 1412012, 1512870, 1765015, 2118018, 2521450, 3025740, 3530030, 3782175, 4236036, 5042900, 5295045, 7060060, 7564350, 8825075, 10590090, 15128700, 17650150, 21180180, 26475225, 35300300, 52950450, 105900900]

約数ペア:

[(1, 105900900), (2, 52950450), (3, 35300300), (4, 26475225), (5, 21180180), (6, 17650150), (7, 15128700), (10, 10590090), (12, 8825075), (14, 7564350), (15, 7060060), (20, 5295045), (21, 5042900), (25, 4236036), (28, 3782175), (30, 3530030), (35, 3025740), (42, 2521450), (50, 2118018), (60, 1765015), (70, 1512870), (75, 1412012), (84, 1260725), (100, 1059009), (105, 1008580), (140, 756435), (150, 706006), (175, 605148), (210, 504290), (211, 501900), (239, 443100), (300, 353003), (350, 302574), (420, 252145), (422, 250950), (478, 221550), (525, 201716), (633, 167300), (700, 151287), (717, 147700), (844, 125475), (956, 110775), (1050, 100858), (1055, 100380), (1195, 88620), (1266, 83650), (1434, 73850), (1477, 71700), (1673, 63300), (2100, 50429), (2110, 50190), (2390, 44310), (2532, 41825), (2868, 36925), (2954, 35850), (3165, 33460), (3346, 31650), (3585, 29540), (4220, 25095), (4431, 23900), (4780, 22155), (5019, 21100), (5275, 20076), (5908, 17925), (5975, 17724), (6330, 16730), (6692, 15825), (7170, 14770), (7385, 14340), (8365, 12660), (8862, 11950), (10038, 10550)]